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- Question
Consider the electromagnetic radiations having wavelengths 200 nm, 500 nm and 1000 nm. Which wavelength (s) of the following can make visual sensation to a human eye?
Options- A. 200 nm and 500 nm
- B. 500 nm and 1000 nm
- C. 500 nm only
- D. 200 nm and 1000 nm
- Correct Answer
- 500 nm only
ExplanationVisual image of human eye is 390-700 nanometer. So, approximate value is 500 nanometer only. - 1. The 'Agha Khan Cup' is associated with which game?
Options- A. Badminton
- B. Hockey
- C. Football
- D. Cricket Discuss
- 2. What is the Websites code for the country Spain?
Options- A. SI
- B. SP
- C. ES
- D. SN Discuss
- 3. The World Environment Day is celebrated on
Options- A. April 7
- B. June 5
- C. August 6
- D. June 16 Discuss
- 4. Marsh gas is
Options- A. nitrogen
- B. ethane
- C. methane
- D. hydrogen Discuss
- 5. Which of the following is not a part of the Internet?
Options- A. World Wide Web
- B. Email
- C. CD-ROM
- D. HTTP Discuss
- 6. Heavy water is
Options- A. deuterium oxide
- B. PH7
- C. rain water
- D. tritium oxide Discuss
- 7. Which of the following crops is regarded as a plantation crop?
Options- A. Coconut
- B. Cotton
- C. Sugarcane
- D. Rice Discuss
- 8. How many terminals does a BJT have?
Options- A. 1
- B. 5
- C. 4
- D. 3 Discuss
- 9. Jaspal Rana is in which of the following games?
Options- A. Shooting
- B. Weight Lifting
- C. Swimming
- D. Archery Discuss
- 10. Process of cell division can take place by
Options- A. heterosis
- B. fusion
- C. mitosis
- D. None of these Discuss
More questions
Correct Answer: Hockey
Correct Answer: ES
Correct Answer: June 5
Correct Answer: methane
Correct Answer: CD-ROM
Correct Answer: deuterium oxide
Correct Answer: Coconut
Correct Answer: 3
Correct Answer: Shooting
Correct Answer: mitosis
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